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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
</head>

<body>
    <h1>cors跨域</h1>
    <button id="btn">发送请求</button>
    <script>
        const oBtn = document.getElementById('btn');
        oBtn.onclick = async function () {
            axios.get('http://127.0.0.1:3000/getInfo', {
                params: {
                    userId: '001'
                }
            })
        }
    </script>
</body>

</html>